mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-07-09 12:46:17 +09:00
caa4daa2ae
We use 'priv' for private data but often use 'platdata' for platform data. We can't really use 'pdata' since that is ambiguous (it could mean private or platform data). Rename some of the latter variables to end with 'plat' for consistency. Signed-off-by: Simon Glass <sjg@chromium.org>
118 lines
2.5 KiB
C
118 lines
2.5 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (c) 2015 Google, Inc
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* Written by Simon Glass <sjg@chromium.org>
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* Copyright (c) 2017 Álvaro Fernández Rojas <noltari@gmail.com>
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*/
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#include <common.h>
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#include <command.h>
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#include <cpu.h>
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#include <dm.h>
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#include <errno.h>
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static const char *cpu_feature_name[CPU_FEAT_COUNT] = {
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"L1 cache",
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"MMU",
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"Microcode",
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"Device ID",
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};
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static int print_cpu_list(bool detail)
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{
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struct udevice *dev;
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char buf[100];
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for (uclass_first_device(UCLASS_CPU, &dev);
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dev;
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uclass_next_device(&dev)) {
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struct cpu_platdata *plat = dev_get_parent_plat(dev);
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struct cpu_info info;
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bool first = true;
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int ret, i;
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ret = cpu_get_desc(dev, buf, sizeof(buf));
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printf("%3d: %-10s %s\n", dev->seq, dev->name,
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ret ? "<no description>" : buf);
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if (!detail)
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continue;
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ret = cpu_get_info(dev, &info);
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if (ret) {
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printf("\t(no detail available");
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if (ret != -ENOSYS)
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printf(": err=%d", ret);
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printf(")\n");
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continue;
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}
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printf("\tID = %d, freq = ", plat->cpu_id);
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print_freq(info.cpu_freq, "");
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for (i = 0; i < CPU_FEAT_COUNT; i++) {
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if (info.features & (1 << i)) {
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printf("%s%s", first ? ": " : ", ",
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cpu_feature_name[i]);
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first = false;
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}
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}
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printf("\n");
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if (info.features & (1 << CPU_FEAT_UCODE))
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printf("\tMicrocode version %#x\n",
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plat->ucode_version);
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if (info.features & (1 << CPU_FEAT_DEVICE_ID))
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printf("\tDevice ID %#lx\n", plat->device_id);
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}
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return 0;
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}
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static int do_cpu_list(struct cmd_tbl *cmdtp, int flag, int argc,
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char *const argv[])
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{
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if (print_cpu_list(false))
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return CMD_RET_FAILURE;
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return 0;
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}
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static int do_cpu_detail(struct cmd_tbl *cmdtp, int flag, int argc,
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char *const argv[])
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{
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if (print_cpu_list(true))
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return CMD_RET_FAILURE;
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return 0;
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}
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static struct cmd_tbl cmd_cpu_sub[] = {
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U_BOOT_CMD_MKENT(list, 2, 1, do_cpu_list, "", ""),
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U_BOOT_CMD_MKENT(detail, 4, 0, do_cpu_detail, "", ""),
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};
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/*
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* Process a cpu sub-command
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*/
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static int do_cpu(struct cmd_tbl *cmdtp, int flag, int argc,
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char *const argv[])
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{
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struct cmd_tbl *c = NULL;
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/* Strip off leading 'cpu' command argument */
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argc--;
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argv++;
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if (argc)
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c = find_cmd_tbl(argv[0], cmd_cpu_sub,
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ARRAY_SIZE(cmd_cpu_sub));
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if (c)
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return c->cmd(cmdtp, flag, argc, argv);
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else
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return CMD_RET_USAGE;
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}
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U_BOOT_CMD(
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cpu, 2, 1, do_cpu,
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"display information about CPUs",
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"list - list available CPUs\n"
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"cpu detail - show CPU detail"
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);
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